20899681448

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{951023}}^1$

素因数の和:951137

約数の個数: 32

約数和(自身を含む): 40741868160

約数和(自身を除く): 19842186712

約数列:

[1, 2, 4, 8, 41, 67, 82, 134, 164, 268, 328, 536, 2747, 5494, 10988, 21976, 951023, 1902046, 3804092, 7608184, 38991943, 63718541, 77983886, 127437082, 155967772, 254874164, 311935544, 509748328, 2612460181, 5224920362, 10449840724, 20899681448]

約数ペア:

[(1, 20899681448), (2, 10449840724), (4, 5224920362), (8, 2612460181), (41, 509748328), (67, 311935544), (82, 254874164), (134, 155967772), (164, 127437082), (268, 77983886), (328, 63718541), (536, 38991943), (2747, 7608184), (5494, 3804092), (10988, 1902046), (21976, 951023)]